- 10 mm / 0.39" strong plywood- covered with black, water-resistant PVC - detachable front and rear lids- 2 retractable spring handles (RC 24110 B and RC 24115 B: 4 handles)- 4 butterfly locks (RC 24102 B comes with snap locks, RC 24110 B and RC 24115 B are equipped with 8 locks)- aluminium double profiles - chrome-plated ball corners, aluminium edges - hardware solidly riveted- 8 rubber feet- chrome-plated RockCase® logo